diff --git a/build-aux/que_rust_boilerplate.am b/build-aux/que_rust_boilerplate.am
index 26de4ef58..d95968f90 100644
--- a/build-aux/que_rust_boilerplate.am
+++ b/build-aux/que_rust_boilerplate.am
@@ -40,19 +40,19 @@ $(PACKAGE_NAME).1: $(CARGO_BIN)
 	$(INSTALL) -m644 $$(cat $(_RUST_OUT))/$@ $@
 
 $(COMPLETIONS_OUT_DIR)/$(TRANSFORMED_PACKAGE_NAME): $(CARGO_BIN) | $(COMPLETIONS_OUT_DIR)
-	$(INSTALL) -m755 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/$(PACKAGE_NAME).bash $@
+	$(INSTALL) -m644 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/$(PACKAGE_NAME).bash $@
 
 $(COMPLETIONS_OUT_DIR)/$(TRANSFORMED_PACKAGE_NAME).elv: $(CARGO_BIN) | $(COMPLETIONS_OUT_DIR)
-	$(INSTALL) -m755 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/$(PACKAGE_NAME).elv $@
+	$(INSTALL) -m644 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/$(PACKAGE_NAME).elv $@
 
 $(COMPLETIONS_OUT_DIR)/$(TRANSFORMED_PACKAGE_NAME).fish: $(CARGO_BIN) | $(COMPLETIONS_OUT_DIR)
-	$(INSTALL) -m755 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/$(PACKAGE_NAME).fish $@
+	$(INSTALL) -m644 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/$(PACKAGE_NAME).fish $@
 
 $(COMPLETIONS_OUT_DIR)/_$(TRANSFORMED_PACKAGE_NAME).ps1: $(CARGO_BIN) | $(COMPLETIONS_OUT_DIR)
-	$(INSTALL) -m755 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/_$(PACKAGE_NAME).ps1 $@
+	$(INSTALL) -m644 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/_$(PACKAGE_NAME).ps1 $@
 
 $(COMPLETIONS_OUT_DIR)/_$(TRANSFORMED_PACKAGE_NAME): $(CARGO_BIN) | $(COMPLETIONS_OUT_DIR)
-	$(INSTALL) -m755 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/_$(PACKAGE_NAME) $@
+	$(INSTALL) -m644 $$(cat $(_RUST_OUT))/$(COMPLETIONS_OUT_DIR)/_$(PACKAGE_NAME) $@
 
 $(_RUST_OUT) $(CARGO_BIN): $(@PACKAGE_VAR@_SOURCES) $(nodist_@PACKAGE_VAR@_SOURCES) $(EXTRA_@PACKAGE_VAR@_SOURCES)
 	set -e